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Ultra-diffuse galaxies on the run

Cosmological simulation TNG50 reveals that a recently discovered population of isolated but non-star-forming ultra-diffuse galaxies may have been gas-rich satellites of much more massive galaxies in the distant past.

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Fig. 1: An ultra-diffuse galaxy evolves as it travels along an unbound backsplash orbit.

adapted with permission from ref. 3, Springer Nature Ltd.


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Correspondence to Anna C. Wright.

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Wright, A.C. Ultra-diffuse galaxies on the run. Nat Astron (2021).

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